BackStory is a smart history radio show/podcast whose May 2010 show Grave Matters: A History of Death and Mourning includes an Ed Ayers tour of Hollywood Cemetery:

On each show, renowned U.S. historians Ed Ayers, Peter Onuf, and Brian Balogh tear a topic from the headlines and plumb its historical depths. Over the course of the hour, they are joined by fellow historians, people in the news, and callers interested in exploring the roots of what’s going on today. Together, they drill down to colonial times and earlier, revealing the connections (and disconnections) between past and present.